Specifications include, but are not limited to: Remove and replace broken steam lines • Locate underground steam lines based on sink hole locations and map lines o Include excavation up to a 10’ radius from the sink hole and 4’ depth. o Include removal and replacement of any hard surfaces that are necessary to access broken piping. o Provide safety measures including fencing off excavated areas during non-work events including overnight. o Include confined space safety gear as possible for this work. o Once piping is located isolate leak and cut back to nearest area of pipe that has integrity; replace damaged piping and insulate appropriately. o Upon system restoration test for leaks o Once system passes testing, backfill excavations with fresh gravel and soils back to original grade o Replace and restore any hard surface impacted to perform the work.